numerical relay

Why Numerical Relay over Electromechanical Relay

Advantages of Numerical relays 1.      Compact Size Electromechanical Relay makes use of mechanical comparison devices, which cause the main reason for the bulky size of relays. It uses a flag system for the indication purpose whether the relay has been activated or not. While numerical relay is in compact size and use indication on LCD…

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relay

Circuit Breaker Tripping Schemes

Circuit Breaker Tripping Schemes Basically two types of tripping schemes which are given below:- Relay with make type contact. Relay with break type contact.   1) Relay with make type contact: In this scheme, the relays are connected in the stare, and contacts of each relay are connected in parallel and this parallel unit of…

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